D-ring



FIG. 1 illustrates a perspective view of a D-ring, according to one embodiment;

FIG. 2 illustrates a front view thereof;

FIG. 3 illustrates a back view thereof;

FIG. 4 illustrates a left-side view thereof;

FIG. 5 illustrates a right-side view thereof;

FIG. 6 illustrates a top view thereof; and,

FIG. 7 illustrates a bottom view thereof. 

CLAIM The ornamental design for a D-ring, as shown and described. 